Home / 4,070.49-5,617.53-2,478.30

Finding the Fourth Proportional to 4,070.49, 5,617.53 and 2,478.30

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Solution

The fourth proportional to 4,070.49, 5,617.53 and 2,478.30 is: 3,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.49 : 5,617.53 = 2,478.30 : x
  2. Step 2: Convert to fraction form
    4,070.49/5,617.53 = 2,478.30/x
  3. Step 3: Cross multiply
    4,070.49x = 5,617.53 × 2,478.30
  4. Step 4: Simplify right side
    4,070.49x = 13,921,924.60
  5. Step 5: Solve for x
    x = 13,921,924.60/4,070.49
  6. Step 6: Final answer
    x = 3,420.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.